<!DOCTYPE html>
<html>
<head>
	<title></title>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script src="./vue.js"></script>
	<!-- <script src="http://cdn.staticfile.org/vue/2.6.10/vue.common.dev.js"></script> -->
</head>
<body>
	<div id="app">{{fullName}}</div>
	<script type="text/javascript">
		var vm = new Vue({
			el: "#app",
			data: {
				firstName: "Tom",
				lastName: "Cat"
			},
			computed: {
				/*fullName: function() {
					return this.firstName + " " + this.lastName
				}*/
				fullName: {
					get: function() {
						return this.firstName + " " + this.lastName
					},
					set: function(value) {
						var arr = value.split(" ");
						this.firstName = arr[0];
						this.lastName = arr[1];
						console.log("我是" + value)
					}
				}
			}
		})
	</script>
</body>
</html>